How To Fix IWO_BAPI2122 - Assignment of object list to operation with number &1/&2 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: IWO_BAPI2 - Messages for the PS/CS BAPI Process Control

• Message number: 122

• Message text: Assignment of object list to operation with number &1/&2 already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IWO_BAPI2122 - Assignment of object list to operation with number &1/&2 already exists ?

  The SAP error message IWO_BAPI2122 indicates that there is an attempt to assign an object list (such as a material, equipment, or other objects) to a specific operation in a maintenance order or production order, but the assignment already exists. This typically occurs when you try to assign the same object to the same operation more than once.
  Cause:
  
  Duplicate Assignment: The most common cause is that the object (e.g., a piece of equipment or a material) is already assigned to the operation with the specified operation number.
  Data Entry Error: There may be a mistake in the data entry process, leading to an attempt to reassign an object that is already linked.
  System Logic: The logic in the program or BAPI being used may not be handling existing assignments correctly.
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Go to the maintenance order or production order in question and check the operation details to see if the object is already assigned.
  You can do this by navigating to the order in transaction codes like IW32 (for maintenance orders) or CO02 (for production orders) and reviewing the operation assignments.
  
  
  
  Remove Duplicate Assignment:
  
  If you find that the object is already assigned and you need to change it, you can remove the existing assignment before trying to add it again.
  This can be done in the same transaction by selecting the object assignment and deleting it.
  
  
  
  Modify the Assignment Logic:
  
  If you are using a custom program or BAPI, ensure that the logic checks for existing assignments before attempting to create a new one. This can prevent the error from occurring in the first place.
  
  
  
  Consult Documentation: 
  
  Review the SAP documentation or help files related to the specific BAPI or transaction you are using to understand the expected behavior and constraints.
  
  
  
  Contact SAP Support: 
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IW32 (Change Order), IW31 (Create Order), IW33 (Display Order), CO02 (Change Production Order), etc.
  BAPI Documentation: If you are using a BAPI, refer to the BAPI documentation for details on how to handle object assignments correctly.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that address the issue.
  
  By following these steps, you should be able to resolve the error and prevent it from occurring in the future.